Sīmīn Shahr in Fall
In fall (September, October and November), Sīmīn Shahr sees average daytime highs around 25°C and overnight lows near 17°C, with 162 mm of rain over about 19 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 32°C in early September to 16°C by late November. The sky is clear or mostly clear about 64% of the time across fall, and the air most often feels dry.
Fall is Sīmīn Shahr's best season of the year to visit on our travel score. For the whole year in context, see Sīmīn Shahr's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 162 mm
- 19 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.7
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Sīmīn Shahr in Fall
Over the season highs ease from about 32°C in early September to 16°C by late November.
A typical fall day in Sīmīn Shahr reaches about 25°C and drops to 17°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Sīmīn Shahr
Once humidity and wind are folded in, fall brings about 14 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sīmīn Shahr weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 13° / 5° | 61 | 8.7 | 0.2 | 9.7 | 3.7 |
| Feb | 13° / 6° | 65 | 8.9 | 0.8 | 10.6 | 4.0 |
| Mar | 17° / 9° | 66 | 9.6 | 0 | 11.7 | 5.5 |
| Apr | 21° / 14° | 45 | 7.2 | 0 | 12.9 | 7.1 |
| May | 26° / 18° | 28 | 4.7 | 0 | 14 | 7.5 |
| Jun | 30° / 23° | 16 | 3.2 | 0 | 14.5 | 6.0 |
| Jul | 32° / 25° | 18 | 4.5 | 0 | 14.3 | 4.7 |
| Aug | 33° / 26° | 15 | 3.4 | 0 | 13.4 | 4.4 |
| Sep | 30° / 22° | 34 | 5.2 | 0 | 12.3 | 5.9 |
| Oct | 25° / 17° | 54 | 5.5 | 0 | 11 | 7.9 |
| Nov | 19° / 11° | 74 | 8.4 | 0.2 | 10 | 6.4 |
| Dec | 14° / 7° | 54 | 7.9 | 0.2 | 9.5 | 4.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 64% of the time across fall.
Chance of precipitation in Fall
Sīmīn Shahr gets around 162 mm of rain over 19 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 42 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.7 kWh/m².
Is fall a good time to visit Sīmīn Shahr?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Sīmīn Shahr for sightseeing.
What to pack for Sīmīn Shahr in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Sīmīn Shahr sees daytime highs around 25°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 19 days see rain.
Sea temperature near Sīmīn Shahr in Fall
The nearest coast averages about 23°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in August at about 29°C and coldest in February near 11°C.
It's comfortable for a long swim from May 13 to Nov 6 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 11 | 12 | 16 | 21 | 25 | 28 | 29 | 27 | 23 | 19 | 15 |
| Comfort | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Tropical | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 11 | Bracing |
| Mar | 12 | Bracing |
| Apr | 16 | Cool |
| May | 21 | Refreshing |
| Jun | 25 | Warm |
| Jul | 28 | Warm |
| Aug | 29 | Tropical |
| Sep | 27 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 15 | Bracing |
UV index in Sīmīn Shahr in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sīmīn Shahr peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 7 | 8 | 10 | 8 | 6 | 4 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Sīmīn Shahr in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Sīmīn Shahr is worst in September — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 23 | 23 | 25 | 25 | 22 | 21 | 19 | 22 | 29 | 27 | 25 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 23 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 22 | Moderate |
| Jun | 21 | Moderate |
| Jul | 19 | Moderate |
| Aug | 22 | Moderate |
| Sep | 29 | Moderate |
| Oct | 27 | Moderate |
| Nov | 25 | Moderate |
| Dec | 23 | Moderate |
Where is Sīmīn Shahr?
Sīmīn Shahr sits at 37.0°N, 54.2°E, -18 m above sea level, in Iran. The nearest listed city is Gomīshān, 15 km away.
Topography around Sīmīn Shahr
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sīmīn Shahr.
Within 3 km, the terrain around Sīmīn Shahr has only modest variations in elevation — a maximum elevation change of 6 m around an average of -21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.
The land around Sīmīn Shahr is covered by cropland (76%) within 3 km, cropland (87%) within 16 km, and bare terrain (24%), cropland (22%) and water (21%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sīmīn Shahr (37.0142°, 54.23°, elevation -18 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.